Abstract

Rapidly solidified amorphous and metallic glass thin foils clad on a stainless steel base plate was fabricated by employing underwater shock wave generated by the detonation of an explosive, and the microstructure of the welded interface was characterized. The rapidly solidified thin foils were successfully welded indicating waves without the formation of interfacial zone in most of the area. However, some interfacial zones caused due to the trapped metal jet were occasionally found. It is expected that the quality of welding would not be significantly affected by the presence of interfacial zones. The interfacial microstructure was characterized through optical, scanning electron and transmission electron microscopes as well as using micro-focus X-ray diffraction and EDX analyses.

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